hi all, i juz install a fresh copy of Vb.net 2003,at 1st i can open all the web application but once i set up a web refrence then whole vb.net cant work already ,what i mean is , when i open a aspx file in vb.net 2003. it will return (HTTP/1.1 500 Internal Server Error)even i wan to create a new project(web application) it will also return this error, any 1 can help me ?